<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>document.getElementById</title>
</head>
<body>
	<p id="con">JavaScript</p>
	<script type="text/javascript">
  		mychar = document.getElementById('con');
  		document.write("结果:"+mychar); //输出获取的P标签。 
	</script>
</body>
</html>